UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ljym+h02Rd/0pGUNNAAQs42TSso6KjVVgKSn0XuOU94=' 
WHERE 
  key_id = '34dca18041f6e5d57b95ae44954ea4dec879cb9e684d122e3201989f23c7298f' 
  AND (
    token = 'Ljym+h02Rd/0pGUNNAAQs42TSso6KjVVgKSn0XuOU94=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )